Iloraz ciągu geometrycznego (an) =½ oraz a₂=-4. Oblicz a₅
q=1/2
a2=-4
a5=a2*q^3
a5=-4*(1/2)^3
a5=-4*1/8
a5=-1/2
a3=-4*1/2=-2
a4=-2*1/2=-1
a5=-1*1/2=-1/2
odp
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q=1/2
a2=-4
a5=a2*q^3
a5=-4*(1/2)^3
a5=-4*1/8
a5=-1/2
q=1/2
a2=-4
a3=-4*1/2=-2
a4=-2*1/2=-1
a5=-1*1/2=-1/2
odp
a5=-1/2